Cross reference · Howmet Fastening Systems · Plate self-locking nut
MK1001 cross referenceESNA 109A9201M, SPS M12700E, Cherry T8080C
MK1001 is a Howmet plate self-locking nut series on 6 government stock numbers. Its closest equivalents are ESNA 109A9201M, SPS M12700E, Cherry T8080C. Each one is labeled with how strong the evidence is.
- Issued by Howmet Fastening Systems
- Item Plate self-locking nut
- Stock numbers 6
- Equivalents 16
- DLA paid $1.19
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- 109A9201MESNACatalog only, needs approvalon 3 of 6 stock numbers, 3 sizes
- M12700ESPS TechnologiesCatalog only, needs approvalon 3 of 6 stock numbers, 3 sizes
- NS103197SESPS TechnologiesCatalog only, needs approvalon 3 of 6 stock numbers, 3 sizes
- RMLHTA51MESNACatalog only, needs approvalon 3 of 6 stock numbers, 3 sizes
- T8080CCherry AerospaceCatalog only, needs approvalon 3 of 6 stock numbers, 3 sizes
4 more on one stock number each: MT2C1032BCM, MT2C428M, MT2C832BCM, MTL2C632BCM
- MT2C1032BCMCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers
- MT2C428MCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers
- MT2C832BCMCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers
- MTL2C632BCMCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers
Standards
4 more on one stock number each: MS21070L, MS21070L06K, MS21070L08K, MS21070L3K
- MS21070LMSCatalog only, needs approvalon 1 of 6 stock numbers
- MS21070L06KMSCatalog only, needs approvalon 1 of 6 stock numbers
- MS21070L08KMSCatalog only, needs approvalon 1 of 6 stock numbers
- MS21070L3KMSCatalog only, needs approvalon 1 of 6 stock numbers
Airframer and OEM drawings
3 more on one stock number each: BACN10JP3ACM, BACN10JP4ACM, BACN10JP5ACM
- BACN10JP3ACMBoeingCatalog only, needs approvalon 1 of 6 stock numbers
- BACN10JP4ACMBoeingCatalog only, needs approvalon 1 of 6 stock numbers
- BACN10JP5ACMBoeingCatalog only, needs approvalon 1 of 6 stock numbers
Plus 9 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for MK1001
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for MK1001. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 1 of 6 stock numbers, 1 awards from 2025-11-04 to 2025-11-04.
Latest award per stock number: $1.19 each.
Per size in the table below.
DLA prices at DLA quantities, not a quote.Source
DLA award prices at DLA quantities and terms, not a commercial quote. Each award may bundle packaging, delivery and inspection terms that a commercial buy does not. Vendors are shown by CAGE code only.
Source: DLA FOIA Electronic Reading Room ↗, public FOIA releases. Files: 2023ContHist.zip/2023ContractHistory.txt, 2024ContHist.zip/2024ContractHistory.txt, contracthist2025.zip/contracthist2025.txt, 2026-09-16-1038_contracthist.zip/2026-09-16-1038_contracthist.txt.
Sizes by maker
| NSN | MK1001 | 109A9201M | M12700E | T8080C | MS21070L | BACN10JP3ACM | Last DLA price |
|---|---|---|---|---|---|---|---|
| 5310-00-544-8664 | MK1001-06BC | M12700E-62BC | |||||
| 5310-00-762-6132 | MK1001-08BC | M12700E-82BC | |||||
| 5310-01-012-2356 | MK1001-3BAC | 109A9201M-3 | T8080C1032 | BACN10JP3ACM | |||
| 5310-00-762-7451 | MK1001-3BC | ||||||
| 5310-00-728-9459 | MK1001-4BAC | 109A9201M-4 | M12700E-048 | T8080C428 | MS21070L4 | $1.19 2025-11 | |
| 5310-01-049-0654 | MK1001-5BAC | 109A9201M-5 | T8080C524 |
Each row is one National Stock Number and the part numbers DLA FLIS lists on it, as written there. A blank means FLIS lists no part in that series on the stock number, not that the size does not exist.
Sources and how to read this page.Details
Reference numbers the Federal Logistics Information System records against the same National Stock Number. A supply-catalog cross-reference, not an engineering-approved interchangeability: confirm against the controlling drawing or spec before substituting. Only equivalents marked cited have a manufacturer or government document, linked with each.
Source: DLA Federal Logistics Information System, via DLA PUB LOG ↗ (FLIS Data Electronic Reading Room ↗), data as of 2025-03-18 (March 2025 snapshot). Federal supply class 5310 Nuts and washers. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.
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